12061729 has 9 divisors (see below), whose sum is σ = 12693009. Its totient is φ = 11460900.

The previous prime is 12061727. The next prime is 12061747. The reversal of 12061729 is 92716021.

It is a happy number.

The square root of 12061729 is 3473.

It is a perfect power (a square), and thus also a powerful number.

12061729 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12061729 - 2¹ = 12061727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12061697 and 12061706.

It is not an unprimeable number, because it can be changed into a prime (12061727) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 79804 + ... + 79954.

Almost surely, 2^12061729 is an apocalyptic number.

12061729 is the 3473-rd square number.

12061729 is the 1737-th centered octagonal number.

It is an amenable number.

12061729 is a deficient number, since it is larger than the sum of its proper divisors (631280).

12061729 is an frugal number, since it uses more digits than its factorization.

12061729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The cubic root of 12061729 is about 229.3347443257.

The spelling of 12061729 in words is "twelve million, sixty-one thousand, seven hundred twenty-nine".